diff --git a/src/extras/cameras/FlyCamera.js b/src/extras/cameras/FlyCamera.js new file mode 100644 index 00000000..4fde6405 --- /dev/null +++ b/src/extras/cameras/FlyCamera.js @@ -0,0 +1,288 @@ +/** + * @author James Baicoianu / http://www.baicoianu.com/ + + * parameters = { + * fov: , + * aspect: , + * near: , + * far: , + * target: , + + * movementSpeed: , + * rollSpeed: , + + * noFly: , + * lookVertical: , + * autoForward: , + + * heightSpeed: , + * heightCoef: , + * heightMin: , + * heightMax: , + + * domElement: , + * } + */ + +THREE.FlyCamera = function ( parameters ) { + + THREE.Camera.call( this, parameters.fov, parameters.aspect, parameters.near, parameters.far, parameters.target ); + + this.tmpQuaternion = new THREE.Quaternion(); + this.tdiff = 0; + + this.movementSpeed = 1.0; + this.rollSpeed = 0.005; + this.dragToLook = false; + this.domElement = document; + + if ( parameters ) { + + if ( parameters.movementSpeed !== undefined ) this.movementSpeed = parameters.movementSpeed; + if ( parameters.rollSpeed !== undefined ) this.rollSpeed = parameters.rollSpeed; + if ( parameters.dragToLook !== undefined ) this.dragToLook = parameters.dragToLook; + if ( parameters.domElement !== undefined ) this.domElement = parameters.domElement; + + } + + this.useTarget = false; + this.useQuaternion = true; + + this.mouseStatus = 0; + + this.moveState = { up: 0, down: 0, left: 0, right: 0, forward: 0, back: 0, pitchUp: 0, pitchDown: 0, yawLeft: 0, yawRight: 0, rollLeft: 0, rollRight: 0 }; + this.moveVector = new THREE.Vector3( 0, 0, 0 ); + this.rotationVector = new THREE.Vector3( 0, 0, 0 ); + + this.lastUpdate = new Date().getTime(); + + this.handleEvent = function ( event ) { + + if ( typeof this[ event.type ] == 'function' ) { + + this[ event.type ]( event ); + + } + + }; + + this.keydown = function( event ) { + + if ( event.altKey ) { + + return; + + } + + switch( event.keyCode ) { + + case 16: /* shift */ this.movementSpeedMultiplier = .1; break; + + case 87: /*W*/ this.moveState.forward = 1; break; + case 83: /*S*/ this.moveState.back = 1; break; + + case 65: /*A*/ this.moveState.left = 1; break; + case 68: /*D*/ this.moveState.right = 1; break; + + case 82: /*R*/ this.moveState.up = 1; break; + case 70: /*F*/ this.moveState.down = 1; break; + + case 38: /*up*/ this.moveState.pitchUp = 1; break; + case 40: /*down*/ this.moveState.pitchDown = 1; break; + + case 37: /*left*/ this.moveState.yawLeft = 1; break; + case 39: /*right*/ this.moveState.yawRight = 1; break; + + case 81: /*Q*/ this.moveState.rollLeft = 1; break; + case 69: /*E*/ this.moveState.rollRight = 1; break; + + } + + this.updateMovementVector(); + this.updateRotationVector(); + + }; + + this.keyup = function( event ) { + + switch( event.keyCode ) { + + case 16: /* shift */ this.movementSpeedMultiplier = 1; break; + + case 87: /*W*/ this.moveState.forward = 0; break; + case 83: /*S*/ this.moveState.back = 0; break; + + case 65: /*A*/ this.moveState.left = 0; break; + case 68: /*D*/ this.moveState.right = 0; break; + + case 82: /*R*/ this.moveState.up = 0; break; + case 70: /*F*/ this.moveState.down = 0; break; + + case 38: /*up*/ this.moveState.pitchUp = 0; break; + case 40: /*down*/ this.moveState.pitchDown = 0; break; + + case 37: /*left*/ this.moveState.yawLeft = 0; break; + case 39: /*right*/ this.moveState.yawRight = 0; break; + + case 81: /*Q*/ this.moveState.rollLeft = 0; break; + case 69: /*E*/ this.moveState.rollRight = 0; break; + + } + + this.updateMovementVector(); + this.updateRotationVector(); + + }; + + this.mousedown = function(event) { + + event.preventDefault(); + event.stopPropagation(); + + if ( this.dragToLook ) { + + this.mouseStatus ++; + + } else { + + switch ( event.button ) { + + case 0: this.moveForward = true; break; + case 2: this.moveBackward = true; break; + + } + + } + + }; + + this.mousemove = function( event ) { + + if ( !this.dragToLook || this.mouseStatus > 0 ) { + + var container = this.getContainerDimensions(); + var halfWidth = container.size[ 0 ] / 2; + var halfHeight = container.size[ 1 ] / 2; + + this.moveState.yawLeft = - ( ( event.clientX - container.offset[ 0 ] ) - halfWidth ) / halfWidth; + this.moveState.pitchDown = ( ( event.clientY - container.offset[ 1 ] ) - halfHeight ) / halfHeight; + this.updateRotationVector(); + + } + + }; + + this.mouseup = function( event ) { + + event.preventDefault(); + event.stopPropagation(); + + if ( this.dragToLook ) { + + this.mouseStatus --; + + //this.mouseX = this.mouseY = 0; + this.moveState.yawLeft = this.moveState.pitchDown = 0; + + } else { + + switch ( event.button ) { + + case 0: this.moveForward = false; break; + case 2: this.moveBackward = false; break; + + } + + } + + this.updateRotationVector(); + + }; + + this.update = function( parentMatrixWorld, forceUpdate, camera ) { + + var now = new Date().getTime(); + this.tdiff = ( now - this.lastUpdate ) / 1000; + this.lastUpdate = now; + + //this.position.addSelf( this.moveVector.multiplyScalar( tdiff ) ); + var moveMult = this.tdiff * this.movementSpeed; + var rotMult = this.tdiff * this.rollSpeed; + + this.translateX( this.moveVector.x * moveMult ); + this.translateY( this.moveVector.y * moveMult ); + this.translateZ( this.moveVector.z * moveMult ); + + this.tmpQuaternion.set( this.rotationVector.x * rotMult, this.rotationVector.y * rotMult, this.rotationVector.z * rotMult, 1 ).normalize(); + this.quaternion.multiplySelf( this.tmpQuaternion ); + + this.matrix.setPosition( this.position ); + this.matrix.setRotationFromQuaternion( this.quaternion ); + this.matrixWorldNeedsUpdate = true; + + this.supr.update.call( this ); + + }; + + this.updateMovementVector = function() { + + this.moveVector.x = ( -this.moveState.left + this.moveState.right ); + this.moveVector.y = ( -this.moveState.down + this.moveState.up ); + this.moveVector.z = ( -this.moveState.forward + this.moveState.back ); + + //console.log( 'move:', [ this.moveVector.x, this.moveVector.y, this.moveVector.z ] ); + + }; + + this.updateRotationVector = function() { + + this.rotationVector.x = ( -this.moveState.pitchDown + this.moveState.pitchUp ); + this.rotationVector.y = ( -this.moveState.yawRight + this.moveState.yawLeft ); + this.rotationVector.z = ( -this.moveState.rollRight + this.moveState.rollLeft ); + + //console.log( 'rotate:', [ this.rotationVector.x, this.rotationVector.y, this.rotationVector.z ] ); + + }; + + this.getContainerDimensions = function() { + + if ( this.domElement != document ) { + + return { + size : [ this.domElement.offsetWidth, this.domElement.offsetHeight ], + offset : [ this.domElement.offsetLeft, this.domElement.offsetTop ] + }; + + } else { + + return { + size : [ window.innerWidth, window.innerHeight ], + offset : [ 0, 0 ] + }; + + } + + }; + + function bind( scope, fn ) { + + return function () { + + fn.apply( scope, arguments ); + + }; + + }; + + this.domElement.addEventListener( 'mousemove', bind( this, this.mousemove ), false ); + this.domElement.addEventListener( 'mousedown', bind( this, this.mousedown ), false ); + this.domElement.addEventListener( 'mouseup', bind( this, this.mouseup ), false ); + + window.addEventListener( 'keydown', bind( this, this.keydown ), false ); + window.addEventListener( 'keyup', bind( this, this.keyup ), false ); + +}; + +THREE.FlyCamera.prototype = new THREE.Camera(); +THREE.FlyCamera.prototype.constructor = THREE.FlyCamera; +THREE.FlyCamera.prototype.supr = THREE.Camera.prototype;